B&C Speaker 15PLB76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 98dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 5.90
• Electrical quality factor QES 0.26
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 428cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.0Ω
• Inductance (1kHz) LE 1.3mH
• VC Diameter 76mm
• Winding height HVC 16mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 22.1N/A
• Motor constant Bl/√RE 9.88N/√W
• Air gap height HAG 11mm
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 88g
• Moving mass (without air load) MMD 70.4g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 6.71N/mm
• Compliance CMS 149µm/N
• Equivalent volume to the compliance VAS 164L
• Mechanical resistance RMS 3.94N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 354mm
• Overall depth 169mm
• Flange thickness 16mm
• Mounting depth 153mm
• Volume occupied by the driver 5.2L
• Net weight 8.6kg